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Thread: 2010 Tahoe with 6L80, tune for longevity and towing

  1. #21
    Potential Tuner
    Join Date
    Feb 2024
    Posts
    2
    1-2 shift does not happen at WOT (Wide Open Throttle) until you let off the gas: Best case: try replacing the TPS.


    Last edited by moprefa; 02-19-2024 at 07:28 PM.